- American tested positive for marijuana at US trials
- Texan has been hailed as most exciting sprinter since Bolt
- Richardson may still run in 4x100m relay in Tokyo
US president Joe Biden weighed in on the suspension of sprinter Sha’Carri Richardson over marijuana use, saying Saturday “the rules are the rules”.
The US Anti-Doping Agency (Usada) confirmed Richardson’s suspension on Friday after the sprinter known for brightly-colored hair and record-breaking speed tested positive for cannabis during her 100 meter US trials in June.
Related: Sha’Carri Richardson out of Olympic 100m after positive cannabis test
